Ashlar Vellum (1990) 1 Graphics Engineering Windows

Ashlar Vellum is a CAD package for mechanical engineers and designers, that includes the ability to intelligently predict where the user wants to connect the next object. There were both "2D" and "3D" versions.

• 1.x (Win)

CircuitMaker (1998) 48 Engineering Windows

CircuitMaker, from MicroCode Engineering, is an easy-to-use schematic design and simulation tool. This product was discontinued in 2000 after being bought out by Altium, and is not related to the current software of a similar name.

• 6.x
• 2000

Drafix (1990) 0 Graphics Engineering Windows

Drafix is a powerful, high performance, and feature rich 2-dimensional computer aided design tool. Despite being a 2-D CAD program, it had many features of high end 3-D CAD software, and competed directly with AutoCAD. Drafix was first was fist released in 1986 for DOS, and was the first professional CAD program released for Microsoft Windows.

• 1.0 (Win)
• 2.x (Win)

Generic CADD (1987) 5 Engineering DOS

Generic CADD, originally from Generic Software, Inc., was a popular low-cost 2D CAD program targeted at casual drafting users. Initially it competed against AutoCAD, and the budget TurboCAD. The original version offered a number of separately purchasable modules.

• 3.0
• 5.0
• 6.0

iceMaster (1992) 1 DOS

iceMaster is an emulation system and debugger for different embedded microcontroller CPUs. This is a functional software-only demonstration of the iceMaster-8051 system that emulates an Intel 8051 microcontroller.

• 3.x

Motorola Specs in Secs (1992) 1 Engineering DOS

Motorola Specs in Secs is a computerized database of Motorola electronic component parts and their associated general specifications.

• 1992

Proteus Design Suite (1992) 0 Engineering DOS

Proteus Design Suite is a circuit design and simulation program.

• 2.20

TurboCAD (1993) 3 Graphics Engineering Windows

TurboCAD is a low-cost 2D/3D Computer Aided Design program that competed with AutoCAD and Generic CADD. It was first available for DOS, and later Mac, Windows 3.x, and Windows 9x/NT.

• 1.0
• 3.x

VersaCAD (1988) 6 Graphics Engineering DOS

First released in 1983 by T & W Systems Inc (later Versacad Corporation) and based on their earlier T-Square product, VersaCAD is a sophisticated professional object design and drawing tool for the IBM PC. It competed heavily against AutoCAD. A very in-depth history of VersaCAD can be found on Cadhistory (PDF Link)

• 5.3

Workview Plus (1993) 0 Engineering Windows

ViewLogic WorkView Plus is a high-end Computer Aided Engineering schematic circuit design and simulation program. This software was available for a number of other platforms, such as SUN Sparc. This is one program that needs the manual - it's not the most intuitive software.

• 5.1